.left-bar{
  font-size: 15px;
  color: #bbbbbb;
  background: #ffffff;
  position: fixed;
  width: 220px;
  box-sizing: content-box;
  height: 100%;
}


.video_player{
  display: flex;
  flex-direction: row;
  width: 100%;
}

.video_detail{
  flex-direction: row;
  display: flex;
  width: 100%;
}

.video_detail .video_player{
  flex: 0 0 60%;
}
.video_detail .video_detail_select_container{
  flex: 0 0 40%;
}

.video_detail_select_list{
  width: 80%;
  background: #000000;
}

.login_div{
  width: 661px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto !important;
  position: fixed;
  left: 0;
  bottom: 0;
  right: 0;
  top: 0;
}


.left-bar li{
  padding: 10px 0;
  padding-left: 100px;
}



@media screen and (min-width: 960px) {
  .article_list{
    padding: 10px 20%;
  }

  .video_list{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  .video_list_container{
    padding-top: 20px;
    //width: calc(100% - 64px);
    box-sizing: border-box;
    margin-left: 220px;
    padding-left: 30px;
    padding-right: 30px;
    width: calc(100% - 220px);
  }
  .video_detail{
    display: flex;
    flex-direction: row;
    width: 100%;
  }
}

@media screen and (min-width: 400px) and(max-width: 960px) {
  .article_list{
    padding: 5px;
  }
  .login_div {
    width: 100%;
  }
  .video_list{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  .article_list li {
    padding-left: 10px;
  }
  .left-bar{
    width: 50px;
  }
  .left-bar li{
    width: 30px;
    padding: 10px 5px;
    padding-left: 10px;
  }
  //.video_list_container{
  //  padding-top: 20px;
  //  //width: calc(100% - 64px);
  //  box-sizing: border-box;
  //  margin-left: 220px;
  //  padding-left: 30px;
  //  padding-right: 30px;
  //}
  .video_list_container{
    margin-left: 50px;
  }
  .video_detail{
    flex-direction: column;
  }
  .video_player{
    width: 100%;
  }
}

@media screen and (max-width: 400px){
  .article_list{
    padding: 5%;
  }
  .article_list li {
    padding-left: 50px;
  }
  .left-bar{
    width: 50px;
  }
  .left-bar li{
    padding: 10px 5px;
    padding-left: 5px;
    font-size: 10px;
  }
  .video_list_container{
    margin-left: 50px;
  }
  .video_list{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }
  .login_div {
    width: 100%;
  }
  .video_detail{
    flex-direction: column;
  }
  .video_player{
    width: 100%;
  }
}

